diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-04-01 10:08:18 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-04-01 10:08:18 +0200 |
| commit | b82779648dfd3814df4e381f086326ec70fd791f (patch) | |
| tree | 59868a9860d907e232275d7a5a667e91213e6aa9 /mm/userfaultfd.c | |
| parent | fe19aab844ad76a4e001082f633b1ac34f2a943d (diff) | |
| parent | 39cd87c4eb2b893354f3b850f916353f2658ae6f (diff) | |
Merge tag 'v6.9-rc2' into media_stage
Linux 6.9-rc2
This is needed to pull in commit 11763a8598f88 ("fs/9p: fix uaf in
in v9fs_stat2inode_dotl"), which fixes the broken virtme. With this
fix the media regression tests can be run again without crashing.
Diffstat (limited to 'mm/userfaultfd.c')
| -rw-r--r-- | mm/userfaultfd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index 712160cd41ec..3c3539c573e7 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -1444,7 +1444,8 @@ static int uffd_move_lock(struct mm_struct *mm, */ down_read(&(*dst_vmap)->vm_lock->lock); if (*dst_vmap != *src_vmap) - down_read(&(*src_vmap)->vm_lock->lock); + down_read_nested(&(*src_vmap)->vm_lock->lock, + SINGLE_DEPTH_NESTING); } mmap_read_unlock(mm); return err; |